src/bin/jpwl/opj_jpwl_decompress.c

   1 /*
   2  * The copyright in this software is being made available under the 2-clauses
   3  * BSD License, included below. This software may be subject to other third
   4  * party and contributor rights, including patent rights, and no such rights
   5  * are granted under this license.
   6  *
   7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
   8  * Copyright (c) 2002-2014, Professor Benoit Macq
   9  * Copyright (c) 2001-2003, David Janssens
  10  * Copyright (c) 2002-2003, Yannick Verschueren
  11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
  12  * Copyright (c) 2003-2014, Antonin Descampe
  13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
  14  * Copyright (c) 2006-2007, Parvatha Elangovan
  15  * All rights reserved.
  16  *
  17  * Redistribution and use in source and binary forms, with or without
  18  * modification, are permitted provided that the following conditions
  19  * are met:
  20  * 1. Redistributions of source code must retain the above copyright
  21  *    notice, this list of conditions and the following disclaimer.
  22  * 2. Redistributions in binary form must reproduce the above copyright
  23  *    notice, this list of conditions and the following disclaimer in the
  24  *    documentation and/or other materials provided with the distribution.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #include <stdio.h>
  40 #include <string.h>
  41 #include <stdlib.h>
  42 #include <math.h>
  43
  44 #ifdef _WIN32
  45 #include "windirent.h"
  46 #else
  47 #include <dirent.h>
  48 #endif /* _WIN32 */
  49
  50 #ifdef _WIN32
  51 #include <windows.h>
  52 #else
  53 #include <strings.h>
  54 #define _stricmp strcasecmp
  55 #define _strnicmp strncasecmp
  56 #endif /* _WIN32 */
  57
  58 #include "opj_apps_config.h"
  59 #include "openjpeg.h"
  60 #include "opj_getopt.h"
  61 #include "convert.h"
  62 #include "index.h"
  63
  64 #ifdef OPJ_HAVE_LIBLCMS2
  65 #include <lcms2.h>
  66 #endif
  67 #ifdef OPJ_HAVE_LIBLCMS1
  68 #include <lcms.h>
  69 #endif
  70 #include "color.h"
  71
  72 #include "format_defs.h"
  73
  74 typedef struct dircnt{
  75         /** Buffer for holding images read from Directory*/
  76         char *filename_buf;
  77         /** Pointer to the buffer*/
  78         char **filename;
  79 }dircnt_t;
  80
  81
  82 typedef struct img_folder{
  83         /** The directory path of the folder containing input images*/
  84         char *imgdirpath;
  85         /** Output format*/
  86         const char *out_format;
  87         /** Enable option*/
  88         char set_imgdir;
  89         /** Enable Cod Format for output*/
  90         char set_out_format;
  91
  92 }img_fol_t;
  93
  94 void decode_help_display(void) {
  95         fprintf(stdout,"HELP for j2k_to_image\n----\n\n");
  96         fprintf(stdout,"- the -h option displays this help information on screen\n\n");
  97
  98 /* UniPG>> */
  99         fprintf(stdout,"List of parameters for the JPEG 2000 "
 100 #ifdef USE_JPWL
 101                 "+ JPWL "
 102 #endif /* USE_JPWL */
 103                 "decoder:\n");
 104 /* <<UniPG */
 105         fprintf(stdout,"\n");
 106         fprintf(stdout,"\n");
 107         fprintf(stdout,"  -ImgDir \n");
 108         fprintf(stdout,"        Image file Directory path \n");
 109         fprintf(stdout,"  -OutFor \n");
 110         fprintf(stdout,"    REQUIRED only if -ImgDir is used\n");
 111         fprintf(stdout,"          Need to specify only format without filename <BMP>  \n");
 112         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, PNG, BMP, TIF, RAW and TGA formats\n");
 113         fprintf(stdout,"  -i <compressed file>\n");
 114         fprintf(stdout,"    REQUIRED only if an Input image directory not specified\n");
 115         fprintf(stdout,"    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
 116         fprintf(stdout,"    is identified based on its suffix.\n");
 117         fprintf(stdout,"  -o <decompressed file>\n");
 118         fprintf(stdout,"    REQUIRED\n");
 119         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, PNG, BMP, TIF, RAW and TGA files\n");
 120         fprintf(stdout,"    Binary data is written to the file (not ascii). If a PGX\n");
 121         fprintf(stdout,"    filename is given, there will be as many output files as there are\n");
 122         fprintf(stdout,"    components: an indice starting from 0 will then be appended to the\n");
 123         fprintf(stdout,"    output filename, just before the \"pgx\" extension. If a PGM filename\n");
 124         fprintf(stdout,"    is given and there are more than one component, only the first component\n");
 125         fprintf(stdout,"    will be written to the file.\n");
 126         fprintf(stdout,"  -r <reduce factor>\n");
 127         fprintf(stdout,"    Set the number of highest resolution levels to be discarded. The\n");
 128         fprintf(stdout,"    image resolution is effectively divided by 2 to the power of the\n");
 129         fprintf(stdout,"    number of discarded levels. The reduce factor is limited by the\n");
 130         fprintf(stdout,"    smallest total number of decomposition levels among tiles.\n");
 131         fprintf(stdout,"  -l <number of quality layers to decode>\n");
 132         fprintf(stdout,"    Set the maximum number of quality layers to decode. If there are\n");
 133         fprintf(stdout,"    less quality layers than the specified number, all the quality layers\n");
 134         fprintf(stdout,"    are decoded.\n");
 135         fprintf(stdout,"  -x  \n");
 136         fprintf(stdout,"    Create an index file *.Idx (-x index_name.Idx) \n");
 137         fprintf(stdout,"\n");
 138 /* UniPG>> */
 139 #ifdef USE_JPWL
 140         fprintf(stdout,"  -W <options>\n");
 141         fprintf(stdout,"    Activates the JPWL correction capability, if the codestream complies.\n");
 142         fprintf(stdout,"    Options can be a comma separated list of <param=val> tokens:\n");
 143         fprintf(stdout,"    c, c=numcomps\n");
 144         fprintf(stdout,"       numcomps is the number of expected components in the codestream\n");
 145         fprintf(stdout,"       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
 146 #endif /* USE_JPWL */
 147 /* <<UniPG */
 148         fprintf(stdout,"\n");
 149 }
 150
 151 /* -------------------------------------------------------------------------- */
 152
 153 int get_num_images(char *imgdirpath){
 154         DIR *dir;
 155         struct dirent* content;
 156         int num_images = 0;
 157
 158         /*Reading the input images from given input directory*/
 159
 160         dir= opendir(imgdirpath);
 161         if(!dir){
 162                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 163                 return 0;
 164         }
 165
 166         while((content=readdir(dir))!=NULL){
 167                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 168                         continue;
 169                 num_images++;
 170         }
 171         return num_images;
 172 }
 173
 174 int load_images(dircnt_t *dirptr, char *imgdirpath){
 175         DIR *dir;
 176         struct dirent* content;
 177         int i = 0;
 178
 179         /*Reading the input images from given input directory*/
 180
 181         dir= opendir(imgdirpath);
 182         if(!dir){
 183                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 184                 return 1;
 185         }else   {
 186                 fprintf(stderr,"Folder opened successfully\n");
 187         }
 188
 189         while((content=readdir(dir))!=NULL){
 190                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 191                         continue;
 192
 193                 strcpy(dirptr->filename[i],content->d_name);
 194                 i++;
 195         }
 196         return 0;
 197 }
 198
 199 int get_file_format(char *filename) {
 200         unsigned int i;
 201         static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
 202         static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT };
 203         char * ext = strrchr(filename, '.');
 204         if (ext == NULL)
 205                 return -1;
 206         ext++;
 207         if(ext) {
 208                 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
 209                         if(_strnicmp(ext, extension[i], 3) == 0) {
 210                                 return format[i];
 211                         }
 212                 }
 213         }
 214
 215         return -1;
 216 }
 217
 218 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
 219         char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
 220         char *temp_p, temp1[OPJ_PATH_LEN]="";
 221
 222         strcpy(image_filename,dirptr->filename[imageno]);
 223         fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
 224         parameters->decod_format = get_file_format(image_filename);
 225         if (parameters->decod_format == -1)
 226                 return 1;
 227         sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
 228         strncpy(parameters->infile, infilename, sizeof(infilename));
 229
 230         /*Set output file*/
 231         strcpy(temp_ofname,strtok(image_filename,"."));
 232         while((temp_p = strtok(NULL,".")) != NULL){
 233                 strcat(temp_ofname,temp1);
 234                 sprintf(temp1,".%s",temp_p);
 235         }
 236         if(img_fol->set_out_format==1){
 237                 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
 238                 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
 239         }
 240         return 0;
 241 }
 242
 243 /* -------------------------------------------------------------------------- */
 244 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
 245         /* parse the command line */
 246         int totlen, c;
 247         opj_option_t long_option[]={
 248                 {"ImgDir",REQ_ARG, NULL ,'y'},
 249                 {"OutFor",REQ_ARG, NULL ,'O'},
 250         };
 251
 252         const char optlist[] = "i:o:r:l:x:"
 253
 254 /* UniPG>> */
 255 #ifdef USE_JPWL
 256                                         "W:"
 257 #endif /* USE_JPWL */
 258 /* <<UniPG */
 259                         "h"             ;
 260         totlen=sizeof(long_option);
 261         img_fol->set_out_format = 0;
 262         do {
 263                 c = opj_getopt_long(argc, argv,optlist,long_option,totlen);
 264                 if (c == -1)
 265                         break;
 266                 switch (c) {
 267                         case 'i':                       /* input file */
 268                         {
 269                                 char *infile = opj_optarg;
 270                                 parameters->decod_format = get_file_format(infile);
 271                                 switch(parameters->decod_format) {
 272                                         case J2K_CFMT:
 273                                         case JP2_CFMT:
 274                                         case JPT_CFMT:
 275                                                 break;
 276                                         default:
 277                                                 fprintf(stderr,
 278                                                         "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
 279                                                         infile);
 280                                                 return 1;
 281                                 }
 282                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
 283                         }
 284                         break;
 285
 286                                 /* ----------------------------------------------------- */
 287
 288                         case 'o':                       /* output file */
 289                         {
 290                                 char *outfile = opj_optarg;
 291                                 parameters->cod_format = get_file_format(outfile);
 292                                 switch(parameters->cod_format) {
 293                                         case PGX_DFMT:
 294                                         case PXM_DFMT:
 295                                         case BMP_DFMT:
 296                                         case TIF_DFMT:
 297                                         case RAW_DFMT:
 298                                         case TGA_DFMT:
 299                                         case PNG_DFMT:
 300                                                 break;
 301                                         default:
 302                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
 303                                                 return 1;
 304                                 }
 305                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
 306                         }
 307                         break;
 308
 309                                 /* ----------------------------------------------------- */
 310
 311                         case 'O':                       /* output format */
 312                         {
 313                                 char outformat[50];
 314                                 char *of = opj_optarg;
 315                                 sprintf(outformat,".%s",of);
 316                                 img_fol->set_out_format = 1;
 317                                 parameters->cod_format = get_file_format(outformat);
 318                                 switch(parameters->cod_format) {
 319                                         case PGX_DFMT:
 320                                                 img_fol->out_format = "pgx";
 321                                                 break;
 322                                         case PXM_DFMT:
 323                                                 img_fol->out_format = "ppm";
 324                                                 break;
 325                                         case BMP_DFMT:
 326                                                 img_fol->out_format = "bmp";
 327                                                 break;
 328                                         case TIF_DFMT:
 329                                                 img_fol->out_format = "tif";
 330                                                 break;
 331                                         case RAW_DFMT:
 332                                                 img_fol->out_format = "raw";
 333                                                 break;
 334                                         case TGA_DFMT:
 335                                                 img_fol->out_format = "raw";
 336                                                 break;
 337                                         case PNG_DFMT:
 338                                                 img_fol->out_format = "png";
 339                                                 break;
 340                                         default:
 341                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
 342                                                 return 1;
 343                                                 break;
 344                                 }
 345                         }
 346                         break;
 347
 348                                 /* ----------------------------------------------------- */
 349
 350
 351                         case 'r':               /* reduce option */
 352                         {
 353                                 sscanf(opj_optarg, "%d", &parameters->cp_reduce);
 354                         }
 355                         break;
 356
 357                                 /* ----------------------------------------------------- */
 358
 359
 360                         case 'l':               /* layering option */
 361                         {
 362                                 sscanf(opj_optarg, "%d", &parameters->cp_layer);
 363                         }
 364                         break;
 365
 366                                 /* ----------------------------------------------------- */
 367
 368                         case 'h':                       /* display an help description */
 369                                 decode_help_display();
 370                                 return 1;
 371
 372                                 /* ------------------------------------------------------ */
 373
 374                         case 'y':                       /* Image Directory path */
 375                                 {
 376                                         img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);
 377                                         strcpy(img_fol->imgdirpath,opj_optarg);
 378                                         img_fol->set_imgdir=1;
 379                                 }
 380                                 break;
 381                                 /* ----------------------------------------------------- */
 382                         case 'x':                       /* Creation of index file */
 383                                 {
 384                                         char *index = opj_optarg;
 385                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
 386                                 }
 387                                 break;
 388                                 /* ----------------------------------------------------- */
 389                                 /* UniPG>> */
 390 #ifdef USE_JPWL
 391
 392                         case 'W':                       /* activate JPWL correction */
 393                         {
 394                                 char *token = NULL;
 395
 396                                 token = strtok(opj_optarg, ",");
 397                                 while(token != NULL) {
 398
 399                                         /* search expected number of components */
 400                                         if (*token == 'c') {
 401
 402                                                 static int compno;
 403
 404                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
 405
 406                                                 if(sscanf(token, "c=%d", &compno) == 1) {
 407                                                         /* Specified */
 408                                                         if ((compno < 1) || (compno > 256)) {
 409                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
 410                                                                 return 1;
 411                                                         }
 412                                                         parameters->jpwl_exp_comps = compno;
 413
 414                                                 } else if (!strcmp(token, "c")) {
 415                                                         /* default */
 416                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
 417
 418                                                 } else {
 419                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
 420                                                         return 1;
 421                                                 };
 422                                         }
 423
 424                                         /* search maximum number of tiles */
 425                                         if (*token == 't') {
 426
 427                                                 static int tileno;
 428
 429                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
 430
 431                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
 432                                                         /* Specified */
 433                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
 434                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
 435                                                                 return 1;
 436                                                         }
 437                                                         parameters->jpwl_max_tiles = tileno;
 438
 439                                                 } else if (!strcmp(token, "t")) {
 440                                                         /* default */
 441                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
 442
 443                                                 } else {
 444                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
 445                                                         return 1;
 446                                                 };
 447                                         }
 448
 449                                         /* next token or bust */
 450                                         token = strtok(NULL, ",");
 451                                 };
 452                                 parameters->jpwl_correct = OPJ_TRUE;
 453                                 fprintf(stdout, "JPWL correction capability activated\n");
 454                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
 455                         }
 456                         break;
 457 #endif /* USE_JPWL */
 458 /* <<UniPG */
 459
 460                                 /* ----------------------------------------------------- */
 461
 462                         default:
 463                                 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, opj_optarg);
 464                                 break;
 465                 }
 466         }while(c != -1);
 467
 468         /* check for possible errors */
 469         if(img_fol->set_imgdir==1){
 470                 if(!(parameters->infile[0]==0)){
 471                         fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
 472                         return 1;
 473                 }
 474                 if(img_fol->set_out_format == 0){
 475                         fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
 476                         fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
 477                         return 1;
 478                 }
 479                 if(!((parameters->outfile[0] == 0))){
 480                         fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
 481                         return 1;
 482                 }
 483         }else{
 484                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
 485                         fprintf(stderr, "Example: %s -i image.j2k -o image.pgm\n",argv[0]);
 486                         fprintf(stderr, "    Try: %s -h\n",argv[0]);
 487                         return 1;
 488                 }
 489         }
 490
 491         return 0;
 492 }
 493
 494 /* -------------------------------------------------------------------------- */
 495
 496 /**
 497 sample error callback expecting a FILE* client object
 498 */
 499 void error_callback(const char *msg, void *client_data) {
 500         FILE *stream = (FILE*)client_data;
 501         fprintf(stream, "[ERROR] %s", msg);
 502 }
 503 /**
 504 sample warning callback expecting a FILE* client object
 505 */
 506 void warning_callback(const char *msg, void *client_data) {
 507         FILE *stream = (FILE*)client_data;
 508         fprintf(stream, "[WARNING] %s", msg);
 509 }
 510 /**
 511 sample debug callback expecting no client object
 512 */
 513 void info_callback(const char *msg, void *client_data) {
 514         (void)client_data;
 515         fprintf(stdout, "[INFO] %s", msg);
 516 }
 517
 518 /* -------------------------------------------------------------------------- */
 519
 520 int main(int argc, char **argv) {
 521         opj_dparameters_t parameters;   /* decompression parameters */
 522         img_fol_t img_fol;
 523         opj_event_mgr_t event_mgr;              /* event manager */
 524         opj_image_t *image = NULL;
 525         FILE *fsrc = NULL;
 526         unsigned char *src = NULL;
 527         int file_length;
 528         int num_images;
 529         int i,imageno;
 530         dircnt_t *dirptr = NULL;
 531         opj_dinfo_t* dinfo = NULL;      /* handle to a decompressor */
 532         opj_cio_t *cio = NULL;
 533         opj_codestream_info_t cstr_info;  /* Codestream information structure */
 534         char indexfilename[OPJ_PATH_LEN];       /* index file name */
 535
 536         /* configure the event callbacks (not required) */
 537         memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
 538         event_mgr.error_handler = error_callback;
 539         event_mgr.warning_handler = warning_callback;
 540         event_mgr.info_handler = info_callback;
 541
 542         /* set decoding parameters to default values */
 543         opj_set_default_decoder_parameters(&parameters);
 544
 545         /* Initialize indexfilename and img_fol */
 546         *indexfilename = 0;
 547         memset(&img_fol,0,sizeof(img_fol_t));
 548
 549         /* parse input and get user encoding parameters */
 550         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
 551                 return 1;
 552         }
 553
 554         /* Initialize reading of directory */
 555         if(img_fol.set_imgdir==1){
 556                 num_images=get_num_images(img_fol.imgdirpath);
 557
 558                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
 559                 if(dirptr){
 560                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     /* Stores at max 10 image file names*/
 561                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
 562
 563                         if(!dirptr->filename_buf){
 564                                 return 1;
 565                         }
 566                         for(i=0;i<num_images;i++){
 567                                 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
 568                         }
 569                 }
 570                 if(load_images(dirptr,img_fol.imgdirpath)==1){
 571                         return 1;
 572                 }
 573                 if (num_images==0){
 574                         fprintf(stdout,"Folder is empty\n");
 575                         return 1;
 576                 }
 577         }else{
 578                 num_images=1;
 579         }
 580
 581         /*Encoding image one by one*/
 582         for(imageno = 0; imageno < num_images ; imageno++)      {
 583                 image = NULL;
 584                 fprintf(stderr,"\n");
 585
 586                 if(img_fol.set_imgdir==1){
 587                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
 588                                 fprintf(stderr,"skipping file...\n");
 589                                 continue;
 590                         }
 591                 }
 592
 593                 /* read the input file and put it in memory */
 594                 /* ---------------------------------------- */
 595                 fsrc = fopen(parameters.infile, "rb");
 596                 if (!fsrc) {
 597                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
 598                         return 1;
 599                 }
 600                 fseek(fsrc, 0, SEEK_END);
 601                 file_length = ftell(fsrc);
 602                 fseek(fsrc, 0, SEEK_SET);
 603                 src = (unsigned char *) malloc(file_length);
 604                 if (fread(src, 1, file_length, fsrc) != (size_t)file_length)
 605                 {
 606                         free(src);
 607                         fclose(fsrc);
 608                         fprintf(stderr, "\nERROR: fread return a number of element different from the expected.\n");
 609                         return 1;
 610                 }
 611                 fclose(fsrc);
 612
 613                 /* decode the code-stream */
 614                 /* ---------------------- */
 615
 616                 switch(parameters.decod_format) {
 617                 case J2K_CFMT:
 618                 {
 619                         /* JPEG-2000 codestream */
 620
 621                         /* get a decoder handle */
 622                         dinfo = opj_create_decompress(CODEC_J2K);
 623
 624                         /* catch events using our callbacks and give a local context */
 625                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 626
 627                         /* setup the decoder decoding parameters using user parameters */
 628                         opj_setup_decoder(dinfo, &parameters);
 629
 630                         /* open a byte stream */
 631                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 632
 633                         /* decode the stream and fill the image structure */
 634                         if (*indexfilename)                             /* If need to extract codestream information*/
 635                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 636                         else
 637                                 image = opj_decode(dinfo, cio);
 638                         if(!image) {
 639                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 640                                 opj_destroy_decompress(dinfo);
 641                                 opj_cio_close(cio);
 642                                 free(src);
 643                                 return 1;
 644                         }
 645
 646                         /* close the byte stream */
 647                         opj_cio_close(cio);
 648
 649                         /* Write the index to disk */
 650                         if (*indexfilename) {
 651                                 opj_bool bSuccess;
 652                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 653                                 if (bSuccess) {
 654                                         fprintf(stderr, "Failed to output index file\n");
 655                                 }
 656                         }
 657                 }
 658                 break;
 659
 660                 case JP2_CFMT:
 661                 {
 662                         /* JPEG 2000 compressed image data */
 663
 664                         /* get a decoder handle */
 665                         dinfo = opj_create_decompress(CODEC_JP2);
 666
 667                         /* catch events using our callbacks and give a local context */
 668                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 669
 670                         /* setup the decoder decoding parameters using the current image and user parameters */
 671                         opj_setup_decoder(dinfo, &parameters);
 672
 673                         /* open a byte stream */
 674                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 675
 676                         /* decode the stream and fill the image structure */
 677                         if (*indexfilename)                             /* If need to extract codestream information*/
 678                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 679                         else
 680                                 image = opj_decode(dinfo, cio);
 681                         if(!image) {
 682                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 683                                 opj_destroy_decompress(dinfo);
 684                                 opj_cio_close(cio);
 685                                 free(src);
 686                                 return 1;
 687                         }
 688
 689                         /* close the byte stream */
 690                         opj_cio_close(cio);
 691
 692                         /* Write the index to disk */
 693                         if (*indexfilename) {
 694                                 opj_bool bSuccess;
 695                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 696                                 if (bSuccess) {
 697                                         fprintf(stderr, "Failed to output index file\n");
 698                                 }
 699                         }
 700                 }
 701                 break;
 702
 703                 case JPT_CFMT:
 704                 {
 705                         /* JPEG 2000, JPIP */
 706
 707                         /* get a decoder handle */
 708                         dinfo = opj_create_decompress(CODEC_JPT);
 709
 710                         /* catch events using our callbacks and give a local context */
 711                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 712
 713                         /* setup the decoder decoding parameters using user parameters */
 714                         opj_setup_decoder(dinfo, &parameters);
 715
 716                         /* open a byte stream */
 717                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 718
 719                         /* decode the stream and fill the image structure */
 720                         if (*indexfilename)                             /* If need to extract codestream information*/
 721                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 722                         else
 723                                 image = opj_decode(dinfo, cio);
 724                         if(!image) {
 725                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 726                                 opj_destroy_decompress(dinfo);
 727                                 opj_cio_close(cio);
 728                                 free(src);
 729                                 return 1;
 730                         }
 731
 732                         /* close the byte stream */
 733                         opj_cio_close(cio);
 734
 735                         /* Write the index to disk */
 736                         if (*indexfilename) {
 737                                 opj_bool bSuccess;
 738                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 739                                 if (bSuccess) {
 740                                         fprintf(stderr, "Failed to output index file\n");
 741                                 }
 742                         }
 743                 }
 744                 break;
 745
 746                 default:
 747                         fprintf(stderr, "skipping file..\n");
 748                         continue;
 749         }
 750
 751                 /* free the memory containing the code-stream */
 752                 free(src);
 753                 src = NULL;
 754
 755         if(image->color_space == CLRSPC_SYCC)
 756    {
 757         color_sycc_to_rgb(image);
 758    }
 759
 760         if(image->icc_profile_buf)
 761    {
 762 #if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
 763         color_apply_icc_profile(image);
 764 #endif
 765
 766         free(image->icc_profile_buf);
 767         image->icc_profile_buf = NULL; image->icc_profile_len = 0;
 768    }
 769
 770                 /* create output image */
 771                 /* ------------------- */
 772                 switch (parameters.cod_format) {
 773                 case PXM_DFMT:                  /* PNM PGM PPM */
 774                         if (imagetopnm(image, parameters.outfile)) {
 775                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 776                         }
 777                         else {
 778                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 779                         }
 780                         break;
 781
 782                 case PGX_DFMT:                  /* PGX */
 783                         if(imagetopgx(image, parameters.outfile)){
 784                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 785                         }
 786                         else {
 787                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 788                         }
 789                         break;
 790
 791                 case BMP_DFMT:                  /* BMP */
 792                         if(imagetobmp(image, parameters.outfile)){
 793                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 794                         }
 795                         else {
 796                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 797                         }
 798                         break;
 799 #ifdef OPJ_HAVE_LIBTIFF
 800                 case TIF_DFMT:                  /* TIFF */
 801                         if(imagetotif(image, parameters.outfile)){
 802                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 803                         }
 804                         else {
 805                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 806                         }
 807                         break;
 808 #endif /* OPJ_HAVE_LIBTIFF */
 809                 case RAW_DFMT:                  /* RAW */
 810                         if(imagetoraw(image, parameters.outfile)){
 811                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
 812                         }
 813                         else {
 814                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 815                         }
 816                         break;
 817
 818                 case TGA_DFMT:                  /* TGA */
 819                         if(imagetotga(image, parameters.outfile)){
 820                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
 821                         }
 822                         else {
 823                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 824                         }
 825                         break;
 826 #ifdef OPJ_HAVE_LIBPNG
 827                 case PNG_DFMT:                  /* PNG */
 828                         if(imagetopng(image, parameters.outfile)){
 829                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
 830                         }
 831                         else {
 832                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 833                         }
 834                         break;
 835 #endif /* OPJ_HAVE_LIBPNG */
 836 /* Can happen if output file is TIFF or PNG
 837  * and OPJ_HAVE_LIBTIF or OPJ_HAVE_LIBPNG is undefined
 838 */
 839                         default:
 840                                 fprintf(stderr,"Outfile %s not generated\n",parameters.outfile);
 841                 }
 842
 843                 /* free remaining structures */
 844                 if(dinfo) {
 845                         opj_destroy_decompress(dinfo);
 846                 }
 847                 /* free codestream information structure */
 848                 if (*indexfilename)
 849                         opj_destroy_cstr_info(&cstr_info);
 850                 /* free image data structure */
 851                 opj_image_destroy(image);
 852
 853         }
 854         return 0;
 855 }
 856 /*end main*/
 857
 858
 859
 860